A centralized management system utilizing a bus interface unit
作者： Soon Hong Kwon , Heo Young Lee , Yoon Seok Oh , Jeong Nam Yoon
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摘要: The Centralized Management System utilizing a Bus Interface Unit comprises Computer (4z) installing an address (4a), data (4b), and control (4c), First-Level Station (4Q 1) communicating with the as is connected to buses (4a, 4b, 4c) of (4z), plurality second-level stations (4Q2, 4Q3, . , 4QM) (4QI) are through Multipoint (4r). Therefore, capable Dual Port RAM (Random Access Memory), intercommunicating Second-Level Stations Bus, controlling managing several thousands Terminals (for example, Public Telephones).
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